[INFO] cloning repository https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmanGUPTA435%2Fbitcoin-like-blockchain-in-Rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e1ceda3230802dcf6af31dfd4c97da1804088b2
[INFO] building AmanGUPTA435/bitcoin-like-blockchain-in-Rust against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmanGUPTA435%2Fbitcoin-like-blockchain-in-Rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] finished tweaking git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] tweaked toml for git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "cf6a7018aacc8cf0d392e42b0fd4288662e018f0d63a87683d88b82aaaf41211", kill_on_drop: false }`
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[INFO] [stdout] a34db3198400f17c599606494401e8d243e4804a8373e028d88e1922b39fad2d
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[INFO] [stderr]    Compiling rust-crypto v0.2.36
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[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling clap v4.5.13
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[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling blockchain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/blockchain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoincash_addr::Address`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitcoincash_addr::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::block::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/transaction.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::error`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let mut ws = Wallets::new()?;
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Blockchain` is never constructed
[INFO] [stdout]   --> src/block.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> BlockchainIter{
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_UTXO(from: &str, to: &str, amount: i32, bc: &Blockchain) -> Result<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput> {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "a34db3198400f17c599606494401e8d243e4804a8373e028d88e1922b39fad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34db3198400f17c599606494401e8d243e4804a8373e028d88e1922b39fad2d", kill_on_drop: false }`
[INFO] [stdout] a34db3198400f17c599606494401e8d243e4804a8373e028d88e1922b39fad2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8851411a0d18ddb0ebbf55a4ef67d9426ee569fc8ecd0c443025f036edf85a49
[INFO] running `Command { std: "docker" "start" "-a" "8851411a0d18ddb0ebbf55a4ef67d9426ee569fc8ecd0c443025f036edf85a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/blockchain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoincash_addr::Address`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitcoincash_addr::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::block::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/transaction.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::error`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let mut ws = Wallets::new()?;
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Blockchain` is never constructed
[INFO] [stdout]   --> src/block.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> BlockchainIter{
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput> {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_UTXO(from: &str, to: &str, amount: i32, bc: &Blockchain) -> Result<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "8851411a0d18ddb0ebbf55a4ef67d9426ee569fc8ecd0c443025f036edf85a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8851411a0d18ddb0ebbf55a4ef67d9426ee569fc8ecd0c443025f036edf85a49", kill_on_drop: false }`
[INFO] [stdout] 8851411a0d18ddb0ebbf55a4ef67d9426ee569fc8ecd0c443025f036edf85a49
